If my comment is correct, it's running at approx 250khz. I didn't see any device that could not run at 400Mhz and this is the fastest I could make it go without making weird waveforms.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
If my comment is correct, it's running at approx 250khz. I didn't see any device that could not run at 400Mhz and this is the fastest I could make it go without making weird waveforms.